Home / 39,307,640.80-58,961,461.20-12,013,880.80

Finding the Fourth Proportional to 39,307,640.80, 58,961,461.20 and 12,013,880.80

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Solution

The fourth proportional to 39,307,640.80, 58,961,461.20 and 12,013,880.80 is: 18,020,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,307,640.80 : 58,961,461.20 = 12,013,880.80 : x
  2. Step 2: Convert to fraction form
    39,307,640.80/58,961,461.20 = 12,013,880.80/x
  3. Step 3: Cross multiply
    39,307,640.80x = 58,961,461.20 × 12,013,880.80
  4. Step 4: Simplify right side
    39,307,640.80x = 708,355,966,650,625
  5. Step 5: Solve for x
    x = 708,355,966,650,625/39,307,640.80
  6. Step 6: Final answer
    x = 18,020,821.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.